# Project Management For Managers Assignment 9 Answers 2021

Project Management Assignment 9 Answers:- Every student is requested to submit their assignments on the knowledge of their own, we do not promote copying answers. We are providing answers just as a reference.

Q1. The optimistic, pessimistic and most likely estimates of time for an activity are 6 days, 18 days and 9 days respectively. The standard deviation of the activity is ————- ( days).

(A) 1

(B) 2

(C) 3

(D) 4

Ans:- (B) 2

Q2. Pick the right statement from the given below:

(A) Slack is the minimum delay possible for an event without affecting its overall duration

(B) Slack is the maximum delay possible for an event without affecting its overall duration

(C) Slack is the maximum delay possible for an event with affecting its overall duration

(D) Slack is the minimum delay possible for an event with affecting its overall duration

Ans:- (A) Slack is the minimum delay possible for an event without affecting its overall duration

Q3. Total float is:TF : Total float,  Tei : Earliest start time, Tlj : Latest finish time

(A) TF = Tlj – tij

(B) TF = Tlj – Tei- tij

(C) TF = Tej – Tli- tij

(D) TF = Tlj – Tli – tij

Q4. The difference between the time available to do a job and the time required to do the job, is known as

(A) Event

(B) Float

(C) Duration

(D) Constraint

Ans:- (B) Float

Q5. Jon snow notes that when his sister arya stark uses the telephone, she takes not less than 6 minutes for a call and sometimes as much as an hour. Fifteen minutes calls are more frequent than calls of any other duration. If these phone calls were an activity in pert project, than phone calls expected duration will be

(A) 15 minutes

(B) 18 minutes

(C) 21 minutes

(D) 24 minutes

Ans:- (C) 21 minutes

Q6. What estimate would you give for the variance in the above problem?

(A) 81

(B) 54

(C) 9

(D) None of the above

Ans:- (A) 81

Q7. An activity has an optimistic time 11 days, a most likely time of 15 days, and a pessimistic time of 23 days. What is its variance?

(A) 15.6

(B) 16.33

(C) 4

(D) 2

Ans:- (C) 4

Q8. Assume that activity G has the following times: Early start time = 7 days, Early finish time = 13 days, Late start time = 15 days, Late finish time = 21 days. Which of the following statements is true about activity G?

(A) Activity G takes 9 days to complete

(B) Activity G has a slack time of 8 days

(C) Activity G is on the critical path

(D) Activity G takes 8 days to complete

Q9. Shared slack in an activity network is defined as:

(A) The amount of time an activity can be delayed without delaying the entire project

(B) The amount of slack that an activity has in common with another activity

(C) The amount of unused resources for an activity

(D) The amount by which a time estimate can be in error without affecting the critical path computations

Ans:- (B) The amount of slack that an activity has in common with another activity

Q10. The basic difference between PERT and CPM is that

(A) PERT deals with events and CPM with activities

(B) Critical path is determined in PERT only

(C) Costs are considered on CPM only and not in PERT

(D) Guessed times are used in PERT and evaluated times in CPM

Ans:- (D) Guessed times are used in PERT and evaluated times in CPM